Numerical simulation of computational fluid mechanics of flow field in dense medium cyclone 重介质旋流器流场计算流体力学数值模拟
Having the aid of newest achievement on computational fluid mechanic and computer simulation , to promote the study of river navigation hydraulics going to a new step has important academic significance and widely applied value 因此,借助计算流体力学和计算机模拟技术的最新研究成果,推动航道水力学研究更上一个新台阶,具有重要的学术意义和广泛的工程应用价值。
Besides , traditional hydraulic method is commonly adopted to water surface computation in which section - averaged hydraulic parameters are used . the accuracy is quite low . it is backward comparing with modern computational fluid mechanics 此外,目前航道整治设计中水面线的计算一般都采用传统水力学的断面平均水力要素计算方法,精度较粗,大大滞后于当今计算流体力学研究水平。
The design and research work on the inlet turning tube had been carried out mainly based on the experiment results and working experience . with the development of computational fluid mechanics ( cfd ) , it is quilt possible to simulate the flow inside the inlet turning tube accurately and get a better understanding of the flow phenomena in the flow field to guide the design , in this paper , detained simulations of the flow fields inside two different compressor inlet turning tubes have been presented 过去国内对它的设计和研究主要借助于经验和利用实验手段来进行,本论文使用先进的三维气动计算技术,借助功能强大的流场计算软件,对压气机进气弯管内部流动情况进行了详细和准确的数值模拟,为压气机进气弯管的优化设计提供更为准确的理论依据及指导原则。